J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | @test |
| 26 | @bug 5085626 |
| 27 | @summary Exponential performance regression in AWT components (multiple mon) |
| 28 | @run main WPanelPeerPerf |
| 29 | */ |
| 30 | |
| 31 | import java.awt.*; |
| 32 | import java.awt.event.*; |
| 33 | import javax.swing.*; |
| 34 | |
| 35 | /** |
| 36 | * This test must be run on a multi-screen system. |
| 37 | * This test works by moving a Frame back and forth between the screens a few |
| 38 | * times. When the bug is active, the first move will overwhelm the EDT with |
| 39 | * recursive display change calls. The test fails if it takes too long to |
| 40 | * service the setLocation() calls and send componentMoved() events. |
| 41 | */ |
| 42 | public class WPanelPeerPerf { |
| 43 | |
| 44 | private static final int NESTED_PANELS = 25; |
| 45 | private static final int ITERATIONS_PER_SCREEN = 3; |
| 46 | private static final int MAX_WAIT_PER_SCREEN = 2500; |
| 47 | private static final int PAUSE_BETWEEN_MOVES = 500; |
| 48 | |
| 49 | |
| 50 | private static Object showLock = new Object(); |
| 51 | |
| 52 | private static Counter instance = null; |
| 53 | public static Counter getCounter() { |
| 54 | if (instance == null) { |
| 55 | instance = new Counter(); |
| 56 | } |
| 57 | return instance; |
| 58 | } |
| 59 | |
| 60 | private static class Counter { |
| 61 | int counter; |
| 62 | Counter() { counter = 0; } |
| 63 | } |
| 64 | |
| 65 | // This one is very slow! |
| 66 | public static void testAWT() { |
| 67 | // fail if only on one screen |
| 68 | int numScreens = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices().length; |
| 69 | if (numScreens < 2) { |
| 70 | System.err.println("Test must be run on a multiscreen system"); |
| 71 | return; |
| 72 | } |
| 73 | final Frame frame = new Frame("AWT WPanelPeerPerf"); |
| 74 | frame.addWindowListener(new WindowAdapter() { |
| 75 | public void windowClosing(WindowEvent ev) { |
| 76 | System.exit(0); |
| 77 | } |
| 78 | public void windowOpened(WindowEvent e) { |
| 79 | synchronized(showLock) { |
| 80 | showLock.notify(); |
| 81 | } |
| 82 | } |
| 83 | }); |
| 84 | frame.setLayout(new BorderLayout()); |
| 85 | Label label = new Label("Hello world"); |
| 86 | frame.add(label, BorderLayout.NORTH); |
| 87 | Panel panel = new Panel(new BorderLayout()); |
| 88 | Panel currentPanel = panel; |
| 89 | for (int i = 0; i < NESTED_PANELS; i++) { |
| 90 | Panel newPanel = new Panel(new BorderLayout()); |
| 91 | currentPanel.add(newPanel, BorderLayout.CENTER); |
| 92 | currentPanel = newPanel; |
| 93 | } |
| 94 | currentPanel.add(new Label("WPanelPeerPerf")); |
| 95 | frame.add(panel, BorderLayout.CENTER); |
| 96 | Button btn = new Button("OK"); |
| 97 | frame.add(btn, BorderLayout.SOUTH); |
| 98 | frame.pack(); |
| 99 | |
| 100 | frame.addComponentListener(new ComponentAdapter() { |
| 101 | public void componentMoved(ComponentEvent e) { |
| 102 | System.out.println("Frame moved: "); |
| 103 | Counter ctr = getCounter(); |
| 104 | synchronized(ctr) { |
| 105 | ctr.counter++; |
| 106 | ctr.notify(); |
| 107 | } |
| 108 | } |
| 109 | }); |
| 110 | synchronized(showLock) { |
| 111 | try { |
| 112 | frame.setVisible(true); |
| 113 | showLock.wait(); |
| 114 | } |
| 115 | catch (InterruptedException e) { |
| 116 | e.printStackTrace(); |
| 117 | throw new RuntimeException("Problem with showLock"); |
| 118 | } |
| 119 | } |
| 120 | runTest(frame); |
| 121 | } |
| 122 | |
| 123 | public static void runTest(Frame theFrame) { |
| 124 | System.out.println("Running test"); |
| 125 | GraphicsDevice[] devs = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices(); |
| 126 | Point[] points = new Point[devs.length]; |
| 127 | |
| 128 | for (int i = 0; i < points.length; i++) { |
| 129 | Rectangle bounds = devs[i].getDefaultConfiguration().getBounds(); |
| 130 | points[i] = new Point(bounds.x + (bounds.width / 2), |
| 131 | bounds.y + (bounds.height / 2)); |
| 132 | System.out.println("Added point:" + points[i]); |
| 133 | } |
| 134 | |
| 135 | final Frame localFrame = theFrame; |
| 136 | |
| 137 | for (int n = 0; n < ITERATIONS_PER_SCREEN; n++) { |
| 138 | for (int i = 0; i < points.length; i++) { |
| 139 | final Point contextPoint = points[i]; |
| 140 | SwingUtilities.invokeLater(new Runnable() { |
| 141 | public void run() { |
| 142 | localFrame.setLocation(contextPoint); |
| 143 | } |
| 144 | }); |
| 145 | try { |
| 146 | Thread.sleep(PAUSE_BETWEEN_MOVES); |
| 147 | } |
| 148 | catch (InterruptedException e) { |
| 149 | System.out.println("Interrupted during iteration"); |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | Counter ctr = getCounter(); |
| 154 | synchronized(ctr) { |
| 155 | try { |
| 156 | if (ctr.counter < ITERATIONS_PER_SCREEN * devs.length) { |
| 157 | // If test hasn't finished, wait for maximum time |
| 158 | // If we get interrupted, test fails |
| 159 | ctr.wait((long)(ITERATIONS_PER_SCREEN * MAX_WAIT_PER_SCREEN * devs.length)); |
| 160 | System.out.println("after wait"); |
| 161 | if (ctr.counter < ITERATIONS_PER_SCREEN * devs.length) { |
| 162 | throw new RuntimeException("Waited too long for all the componentMoved()s"); |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | catch(InterruptedException e) { |
| 167 | e.printStackTrace(); |
| 168 | throw new RuntimeException("Wait interrupted - ???"); |
| 169 | } |
| 170 | System.out.println("Counter reads: " + ctr.counter); |
| 171 | } |
| 172 | |
| 173 | } |
| 174 | public static void main(String[] args) { |
| 175 | testAWT(); |
| 176 | } |
| 177 | } |